/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Returns a handle to an existing element
The retrieved handle (may be invalid)
[FRigElementHandle](API\Plugins\ControlRig\Rigs\FRigElementHandle) GetHandle ( const [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) & InKey ) const